What If...? poster
8.9/10 (17144 votes)
#1

What If... Ultron Won?

S1:E8

Natasha Romanoff and Clint Barton seek to destroy killer-robot Ultron following a cataclysmic event.

8.8/10 (22225 votes)
#2

What If... Doctor Strange Lost His Heart Instead of His Hands?

S1:E4

A grief-stricken Doctor Strange uses the Eye of Agamotto in a dangerous effort to change the past.

8.4/10 (13286 votes)
#3

What If... The Watcher Broke His Oath?

S1:E9

The Watcher breaks his oath and recruits heroes from across the multiverse to battle against Ultron.

7.8/10 (19386 votes)
#4

What If... T'Challa Became a Star-Lord?

S1:E2

The rough-and-tumble space pirates known as the Ravagers abduct T’Challa instead of Peter Quill.

7.8/10 (17145 votes)
#5

What If... The World Lost Its Mightiest Heroes?

S1:E3

Nick Fury struggles to launch The Avengers when candidates are targeted by a serial killer.

7.8/10 (5838 votes)
#6

What If... Hela Found the Ten Rings?

S2:E7

Hela—stripped of her powers and banished to Earth—comes across a new source of power: the Ten Rings.

7.8/10 (5305 votes)
#7

What If... The Avengers Assembled in 1602?

S2:E8

Captain Carter tries to undo the anomaly that strands familiar heroes and villains in the year 1602.

7.7/10 (16673 votes)
#8

What If... Zombies!?

S1:E5

When The Avengers are infected by a zombie plague, surviving heroes search for a cure.

7.4/10 (6643 votes)
#9

What If... Kahhori Reshaped the World?

S2:E6

A Mohawk woman ventures into the waters of the Forbidden Lake to help save her people.

7.4/10 (5572 votes)
#10

What If... Strange Supreme Intervened?

S2:E9

Captain Carter discovers the greatest threat to all existence may be closer than she realizes.

7.2/10 (6235 votes)
#11

What If... Peter Quill Attacked Earth's Mightiest Heroes?

S2:E2

When Ego and a young Peter Quill threaten Earth in 1988, Howard Stark and Peggy Carter form a team.

7.2/10 (5812 votes)
#12

What If... Iron Man Crashed Into the Grandmaster?

S2:E4

Tony Stark challenges The Grandmaster, leading to a grand prix-turned-demolition-derby death match.

7.1/10 (5561 votes)
#13

What If... Captain Carter Fought the Hydra Stomper?

S2:E5

Captain Carter's mission to save Steve Rogers sets her on a collision course with new enemies.

7.0/10 (21398 votes)
#14

What If... Captain Carter Were the First Avenger?

S1:E1

When Steve Rogers is seriously injured, Peggy Carter becomes the world’s first Super Soldier.

7.0/10 (6645 votes)
#15

What If... Nebula Joined the Nova Corps?

S2:E1

When Nebula is recruited to join the Nova Corps, she sets out to prove her detective skills.

6.7/10 (2889 votes)
#16

What If... The Watcher Disappeared? (1)

S3:E7

The Watcher must stand trial for his many interventions.

6.6/10 (14136 votes)
#17

What If... Killmonger Rescued Tony Stark?

S1:E6

An American soldier called Killmonger rescues Tony Stark when his Humvee is attacked in Afghanistan.

6.6/10 (5962 votes)
#18

What If... Happy Hogan Saved Christmas?

S2:E3

When Avengers Tower is attacked during the holiday party, Happy Hogan must prove his hero chops.

6.6/10 (3538 votes)
#19

What If... The Red Guardian Stopped the Winter Soldier?

S3:E3

It is 1991, and the Red Guardian takes it upon himself to join a high-profile mission and prove himself to his Red Room superiors. When his antics interfere with the Winter Soldier's own mission to kill Howard Stark, the two Soviet supersoldiers must form an alliance to escape the United States.

6.5/10 (2947 votes)
#20

What If... What If? (2)

S3:E8

The end of the beginning...

6.4/10 (14674 votes)
#21

What If... Thor Were an Only Child?

S1:E7

Thor, who never learned to be a good hero, throws an out-of-control intergalactic party on Earth.

6.4/10 (3107 votes)
#22

What If... The Emergence Destroyed the Earth?

S3:E5

In a Universe where The Eternals never stopped The Emergence, the birth of an incubating Celestial shatters the Earth. Civilization endures on the rocky remnants of our planet, where Quentin Beck leads an authoritarian regime until freedom fighters recruit Riri Williams on a deadly mission to take him down.

6.3/10 (2821 votes)
#23

What If... 1872?

S3:E6

In a universe where the heroes of the MCU live in the Old West, Shang-Chi and his pistol-packing partner, Kate Bishop, traverse the frontier, saving the innocent from the evils of The Hood.

5.8/10 (3499 votes)
#24

What If... Howard the Duck Got Hitched?

S3:E4

Howard the Duck and Darcy Lewis find themselves on an intergalactic pleasure cruise. When dangerous factions from across the galaxy descend to threaten their trip, they must discover their own cosmic powers to withstand the onslaught.

5.6/10 (4286 votes)
#25

What If... The Hulk Fought the Mech Avengers?

S3:E1

Captain America/Sam Wilson must suit up in a colossal mech suit to battle Bruce Banner after an attempt to cure himself of the Hulk goes horribly wrong. Bucky Barnes, Monica Rambeau, Moon Knight, and others must join Sam as his new team of Mech Avengers.

5.6/10 (4067 votes)
#26

What If... Agatha Went to Hollywood?

S3:E2

On the set of Stark Pictures' first production, the playboy auteur quickly finds himself enchanted by his bewitching lead actress, Agatha Harkness. Little does she know there will be another superpower co-star on the call sheet… Kingo.

5.6/10 (4286 votes)
#1

What If... The Hulk Fought the Mech Avengers?

S3:E1

Captain America/Sam Wilson must suit up in a colossal mech suit to battle Bruce Banner after an attempt to cure himself of the Hulk goes horribly wrong. Bucky Barnes, Monica Rambeau, Moon Knight, and others must join Sam as his new team of Mech Avengers.

5.6/10 (4067 votes)
#2

What If... Agatha Went to Hollywood?

S3:E2

On the set of Stark Pictures' first production, the playboy auteur quickly finds himself enchanted by his bewitching lead actress, Agatha Harkness. Little does she know there will be another superpower co-star on the call sheet… Kingo.

5.8/10 (3499 votes)
#3

What If... Howard the Duck Got Hitched?

S3:E4

Howard the Duck and Darcy Lewis find themselves on an intergalactic pleasure cruise. When dangerous factions from across the galaxy descend to threaten their trip, they must discover their own cosmic powers to withstand the onslaught.

6.3/10 (2821 votes)
#4

What If... 1872?

S3:E6

In a universe where the heroes of the MCU live in the Old West, Shang-Chi and his pistol-packing partner, Kate Bishop, traverse the frontier, saving the innocent from the evils of The Hood.

6.4/10 (14674 votes)
#5

What If... Thor Were an Only Child?

S1:E7

Thor, who never learned to be a good hero, throws an out-of-control intergalactic party on Earth.

6.4/10 (3107 votes)
#6

What If... The Emergence Destroyed the Earth?

S3:E5

In a Universe where The Eternals never stopped The Emergence, the birth of an incubating Celestial shatters the Earth. Civilization endures on the rocky remnants of our planet, where Quentin Beck leads an authoritarian regime until freedom fighters recruit Riri Williams on a deadly mission to take him down.

6.5/10 (2947 votes)
#7

What If... What If? (2)

S3:E8

The end of the beginning...

6.6/10 (14136 votes)
#8

What If... Killmonger Rescued Tony Stark?

S1:E6

An American soldier called Killmonger rescues Tony Stark when his Humvee is attacked in Afghanistan.

6.6/10 (5962 votes)
#9

What If... Happy Hogan Saved Christmas?

S2:E3

When Avengers Tower is attacked during the holiday party, Happy Hogan must prove his hero chops.

6.6/10 (3538 votes)
#10

What If... The Red Guardian Stopped the Winter Soldier?

S3:E3

It is 1991, and the Red Guardian takes it upon himself to join a high-profile mission and prove himself to his Red Room superiors. When his antics interfere with the Winter Soldier's own mission to kill Howard Stark, the two Soviet supersoldiers must form an alliance to escape the United States.

6.7/10 (2889 votes)
#11

What If... The Watcher Disappeared? (1)

S3:E7

The Watcher must stand trial for his many interventions.

7.0/10 (21398 votes)
#12

What If... Captain Carter Were the First Avenger?

S1:E1

When Steve Rogers is seriously injured, Peggy Carter becomes the world’s first Super Soldier.

7.0/10 (6645 votes)
#13

What If... Nebula Joined the Nova Corps?

S2:E1

When Nebula is recruited to join the Nova Corps, she sets out to prove her detective skills.

7.1/10 (5561 votes)
#14

What If... Captain Carter Fought the Hydra Stomper?

S2:E5

Captain Carter's mission to save Steve Rogers sets her on a collision course with new enemies.

7.2/10 (6235 votes)
#15

What If... Peter Quill Attacked Earth's Mightiest Heroes?

S2:E2

When Ego and a young Peter Quill threaten Earth in 1988, Howard Stark and Peggy Carter form a team.

7.2/10 (5812 votes)
#16

What If... Iron Man Crashed Into the Grandmaster?

S2:E4

Tony Stark challenges The Grandmaster, leading to a grand prix-turned-demolition-derby death match.

7.4/10 (6643 votes)
#17

What If... Kahhori Reshaped the World?

S2:E6

A Mohawk woman ventures into the waters of the Forbidden Lake to help save her people.

7.4/10 (5572 votes)
#18

What If... Strange Supreme Intervened?

S2:E9

Captain Carter discovers the greatest threat to all existence may be closer than she realizes.

7.7/10 (16673 votes)
#19

What If... Zombies!?

S1:E5

When The Avengers are infected by a zombie plague, surviving heroes search for a cure.

7.8/10 (19386 votes)
#20

What If... T'Challa Became a Star-Lord?

S1:E2

The rough-and-tumble space pirates known as the Ravagers abduct T’Challa instead of Peter Quill.

7.8/10 (17145 votes)
#21

What If... The World Lost Its Mightiest Heroes?

S1:E3

Nick Fury struggles to launch The Avengers when candidates are targeted by a serial killer.

7.8/10 (5838 votes)
#22

What If... Hela Found the Ten Rings?

S2:E7

Hela—stripped of her powers and banished to Earth—comes across a new source of power: the Ten Rings.

7.8/10 (5305 votes)
#23

What If... The Avengers Assembled in 1602?

S2:E8

Captain Carter tries to undo the anomaly that strands familiar heroes and villains in the year 1602.

8.4/10 (13286 votes)
#24

What If... The Watcher Broke His Oath?

S1:E9

The Watcher breaks his oath and recruits heroes from across the multiverse to battle against Ultron.

8.8/10 (22225 votes)
#25

What If... Doctor Strange Lost His Heart Instead of His Hands?

S1:E4

A grief-stricken Doctor Strange uses the Eye of Agamotto in a dangerous effort to change the past.

8.9/10 (17144 votes)
#26

What If... Ultron Won?

S1:E8

Natasha Romanoff and Clint Barton seek to destroy killer-robot Ultron following a cataclysmic event.

7.0/10 (21398 votes)

What If... Captain Carter Were the First Avenger?

S1:E1

When Steve Rogers is seriously injured, Peggy Carter becomes the world’s first Super Soldier.

7.8/10 (19386 votes)

What If... T'Challa Became a Star-Lord?

S1:E2

The rough-and-tumble space pirates known as the Ravagers abduct T’Challa instead of Peter Quill.

7.8/10 (17145 votes)

What If... The World Lost Its Mightiest Heroes?

S1:E3

Nick Fury struggles to launch The Avengers when candidates are targeted by a serial killer.

8.8/10 (22225 votes)

What If... Doctor Strange Lost His Heart Instead of His Hands?

S1:E4

A grief-stricken Doctor Strange uses the Eye of Agamotto in a dangerous effort to change the past.

7.7/10 (16673 votes)

What If... Zombies!?

S1:E5

When The Avengers are infected by a zombie plague, surviving heroes search for a cure.

6.6/10 (14136 votes)

What If... Killmonger Rescued Tony Stark?

S1:E6

An American soldier called Killmonger rescues Tony Stark when his Humvee is attacked in Afghanistan.

6.4/10 (14674 votes)

What If... Thor Were an Only Child?

S1:E7

Thor, who never learned to be a good hero, throws an out-of-control intergalactic party on Earth.

8.9/10 (17144 votes)

What If... Ultron Won?

S1:E8

Natasha Romanoff and Clint Barton seek to destroy killer-robot Ultron following a cataclysmic event.

8.4/10 (13286 votes)

What If... The Watcher Broke His Oath?

S1:E9

The Watcher breaks his oath and recruits heroes from across the multiverse to battle against Ultron.

7.0/10 (6645 votes)

What If... Nebula Joined the Nova Corps?

S2:E1

When Nebula is recruited to join the Nova Corps, she sets out to prove her detective skills.

7.2/10 (6235 votes)

What If... Peter Quill Attacked Earth's Mightiest Heroes?

S2:E2

When Ego and a young Peter Quill threaten Earth in 1988, Howard Stark and Peggy Carter form a team.

6.6/10 (5962 votes)

What If... Happy Hogan Saved Christmas?

S2:E3

When Avengers Tower is attacked during the holiday party, Happy Hogan must prove his hero chops.

7.2/10 (5812 votes)

What If... Iron Man Crashed Into the Grandmaster?

S2:E4

Tony Stark challenges The Grandmaster, leading to a grand prix-turned-demolition-derby death match.

7.1/10 (5561 votes)

What If... Captain Carter Fought the Hydra Stomper?

S2:E5

Captain Carter's mission to save Steve Rogers sets her on a collision course with new enemies.

7.4/10 (6643 votes)

What If... Kahhori Reshaped the World?

S2:E6

A Mohawk woman ventures into the waters of the Forbidden Lake to help save her people.

7.8/10 (5838 votes)

What If... Hela Found the Ten Rings?

S2:E7

Hela—stripped of her powers and banished to Earth—comes across a new source of power: the Ten Rings.

7.8/10 (5305 votes)

What If... The Avengers Assembled in 1602?

S2:E8

Captain Carter tries to undo the anomaly that strands familiar heroes and villains in the year 1602.

7.4/10 (5572 votes)

What If... Strange Supreme Intervened?

S2:E9

Captain Carter discovers the greatest threat to all existence may be closer than she realizes.

5.6/10 (4286 votes)

What If... The Hulk Fought the Mech Avengers?

S3:E1

Captain America/Sam Wilson must suit up in a colossal mech suit to battle Bruce Banner after an attempt to cure himself of the Hulk goes horribly wrong. Bucky Barnes, Monica Rambeau, Moon Knight, and others must join Sam as his new team of Mech Avengers.

5.6/10 (4067 votes)

What If... Agatha Went to Hollywood?

S3:E2

On the set of Stark Pictures' first production, the playboy auteur quickly finds himself enchanted by his bewitching lead actress, Agatha Harkness. Little does she know there will be another superpower co-star on the call sheet… Kingo.

6.6/10 (3538 votes)

What If... The Red Guardian Stopped the Winter Soldier?

S3:E3

It is 1991, and the Red Guardian takes it upon himself to join a high-profile mission and prove himself to his Red Room superiors. When his antics interfere with the Winter Soldier's own mission to kill Howard Stark, the two Soviet supersoldiers must form an alliance to escape the United States.

5.8/10 (3499 votes)

What If... Howard the Duck Got Hitched?

S3:E4

Howard the Duck and Darcy Lewis find themselves on an intergalactic pleasure cruise. When dangerous factions from across the galaxy descend to threaten their trip, they must discover their own cosmic powers to withstand the onslaught.

6.4/10 (3107 votes)

What If... The Emergence Destroyed the Earth?

S3:E5

In a Universe where The Eternals never stopped The Emergence, the birth of an incubating Celestial shatters the Earth. Civilization endures on the rocky remnants of our planet, where Quentin Beck leads an authoritarian regime until freedom fighters recruit Riri Williams on a deadly mission to take him down.

6.3/10 (2821 votes)

What If... 1872?

S3:E6

In a universe where the heroes of the MCU live in the Old West, Shang-Chi and his pistol-packing partner, Kate Bishop, traverse the frontier, saving the innocent from the evils of The Hood.

6.7/10 (2889 votes)

What If... The Watcher Disappeared? (1)

S3:E7

The Watcher must stand trial for his many interventions.

6.5/10 (2947 votes)

What If... What If? (2)

S3:E8

The end of the beginning...

Season Average Rating Episodes Best Episode Worst Episode
1 ★ 7.7 9
★ 8.9 What If... Ultron Won?
★ 6.4 What If... Thor Were an Only Child?
2 ★ 7.3 9
★ 7.8 What If... Hela Found the Ten Rings?
★ 6.6 What If... Happy Hogan Saved Christmas?
3 ★ 6.2 8
★ 6.7 What If... The Watcher Disappeared? (1)
★ 5.6 What If... The Hulk Fought the Mech Avengers?